this post was submitted on 16 Apr 2025
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Science Memes

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[–] Metz@lemmy.world 53 points 1 week ago (4 children)

Fun fact: Cutaneous respiration (aka "Skin breathing") is something we humans do too. But it accounts only for 1% to 2% of our oxygen input.

However, the cornea of ​​our eyes doesn't have its own blood vessels to supply it. Therefore, it relies on direct gas exchange with the environment—in other words, skin respiration.

Our eyes breath like bees.

[–] dave@feddit.uk 28 points 1 week ago (1 children)

Is that why bees can't wear contact lenses?

[–] Remember_the_tooth@lemmy.world 42 points 1 week ago (1 children)

No, it's because they have compound eyes. Even if they could afford all the different lenses they need, they'd never have enough time to put them in and take them out, while still working a full day.

[–] Swedneck@discuss.tchncs.de 12 points 1 week ago (1 children)

surely they could just make one big lens with facets in it? sure they're gonna be hellishly expensive but at least they're usable

[–] Remember_the_tooth@lemmy.world 18 points 1 week ago (1 children)

Honestly, I was already out of my depth with the entomology and ophthalmology discussed here. The economics of bee optometry might be a bridge too far for me. Can a bee make enough honey to afford such lenses? If so, does it improve the bee's ability to make honey enough to justify the cost? I have no idea and no clue regarding how to investigate this issue.

[–] Swedneck@discuss.tchncs.de 9 points 1 week ago (2 children)

perhaps we're coming at this from the wrong direction, does a bee even need lenses? maybe what they actually need is just eye protection, which would make everything much cheaper

[–] XTL@sopuli.xyz 7 points 1 week ago

Correction or no, it seems something like goggles is the solution. Boggles?

[–] Remember_the_tooth@lemmy.world 5 points 1 week ago (1 children)

Interesting hypothesis. I guess the best way to test it would be to try to sell bee safety glasses to beekeepers.

[–] DarkDarkHouse@lemmy.sdf.org 2 points 1 week ago (1 children)

You can alway upsell them on bee ears to hold the glasses on

Genius. Genetic modification of bees. What could possibly go wrong?

[–] hperrin@lemmy.world 11 points 1 week ago

So what you're saying is I have two eyes in my beeholes?

[–] milicent_bystandr@lemm.ee 9 points 1 week ago

1-2% is more than I'd have imagined!

I like this fact. That's why it's so important to take out certain kinds of contacts at night.